If the trends in this table continue , after how many years y will the population of manchester , nh be more than the population of vallejo , ca ? round your answer to the nearest tenth of a year

As soon as I read the first line and saw the words "in this table", I knew in my
guts that when I opened the question and saw the whole thing, there would be
no table.  So I opened it and, sure enough, my guts were correct again.

Nobody ... including you ... can answer this question without seeing the table. 
Maybe that's been your whole problem, and the reason you're having trouble
with it.  Sit down, relax, and spend some time with the table.

Here for a good time of free question